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发明名称
Apparatus for making slide fastener stringers
摘要
申请公布号
US2267783(A)
申请公布日期
1941.12.30
申请号
US19390311398
申请日期
1939.12.28
申请人
PORT FASTENER CORPORATION
发明人
BEHRENS WALTER A.
分类号
B21D53/50
主分类号
B21D53/50
代理机构
代理人
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地址
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