印刷电路板的过孔.mht

pcb设计资料初学者难得的入门资料包含工厂制作过程

From: <由 Microsoft Internet Explorer 5 保存>
Subject: =?gb2312?B?06HLorXnwrew5bXEuf2/1w==?=
Date: Sun, 4 Dec 2005 10:11:17 +0800
MIME-Version: 1.0
Content-Type: text/html;
	charset="gb2312"
Content-Transfer-Encoding: base64
Content-Location: http://www.maihui.net/pcbmake/pcb0009.htm
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409
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