\documentclass[french,12pt]{article}
\usepackage[T1]{fontenc}
\usepackage{a4}
\usepackage{times}
\usepackage{babel}
\usepackage{vmargin}
\usepackage{boxedminipage}
%%ENTETE

\setmarginsrb{1cm}{1cm}{1cm}{2cm}{0in}{0in}{0in}{0in}
\pagestyle{empty}

\newcommand{\PT}{{\em PimenTech}}
\newcommand{\PF}{{\em Pages de financement}}


\newcommand{\dat}{09/11/2000}


\begin{document}
\singlespace
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\vfill
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\begin{flushright}
 \begin{bf}
  \begin{tabular}{p{7cm}}
   %%ADRESSE 
  \end{tabular}
 \end{bf}
\end{flushright}

\vspace*{2cm}

\begin{center}
 \begin{tabular}{|c|}
  \hline
  \\
  \begin{large}
   {\bf ~~~~~~~DEVIS~~%%NO
   ~~~~}
  \end{large}
  \\
  
  \\
  \hline
 \end{tabular}
\end{center}
\vspace*{0.5cm}

\vspace*{1cm}
\noindent
\begin{tabular}{p{6cm}l}
 {\bf Date d'émission :} %%DATEEMI&{\bf Échéance :} %%DATEECH\\
\end{tabular}
\\\\
{\bf Description}\\
\begin{boxedminipage}[t]{15cm}
 %%DESCR
\end{boxedminipage}\\

\vspace*{1cm}
\noindent
\begin {tabular}{|r|r|}
  \hline
  {\bf Montant Euro HT}&{\bf Montant Euro TC}\\
  \hline
  %%LIGNES
  \hline
\end{tabular}

\begin{table}[b]
 \begin{center}
  \begin {tabular}{|c|c|c|c|cc|c|c|c|}
  \cline{1-4}
  \cline{7-8}
  Base HT&Mt TVA&\% TVA&{\bf Totaux}&&&{\bf FRANCS}&{\bf EUROS}\\
  \cline{1-4}
  \cline{7-8}
  \cline{1-4}
  \cline{7-8}
  %%HTF
  &%%MTTVA
  &%%TVA
  &
  \begin{tabular}{lr}
   HT&%%HTF\\
   TVA&%%MTTVA\\
  \end{tabular}
  &
  &
  \begin{tabular}{r}
   {\bf Total TTC}\\
  \end{tabular}
  &
  \begin{tabular}{r}
   %%TTCF\\
  \end{tabular}
  &
  \begin{tabular}{r}
   %%TTCE\\
  \end{tabular}
  \\
  \cline{1-4}
  \cline{7-8}
  
 \end{tabular}
 
 \vspace*{1cm}
 
\end{center}
\end{table}

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\vfill
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\end{document}