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发明名称
Tool for welding the edges of plastic sheets together
摘要
申请公布号
US3408478(A)
申请公布日期
1968.10.29
申请号
US19650460341
申请日期
1965.06.01
申请人
JOSEPH DEWEY PENN
发明人
PENN JOSEPH DEWEY
分类号
B29C65/02;B29C65/18;B29C65/22
主分类号
B29C65/02
代理机构
代理人
主权项
地址
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