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发明名称
Covered slide fastener
摘要
申请公布号
US3146506(A)
申请公布日期
1964.09.01
申请号
US19610084008
申请日期
1961.01.23
申请人
BERTRAND VOUMARD
发明人
RYSER ERNST
分类号
A44B19/04
主分类号
A44B19/04
代理机构
代理人
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