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发明名称
Double-link chain machine
摘要
申请公布号
US2617250(A)
申请公布日期
1952.11.11
申请号
US19490117642
申请日期
1949.09.24
申请人
KUNZMANN CHAIN CO.
发明人
KUNZMANN SIEGFRIED C.;ENGLAND AUGUST J.
分类号
B21L3/00;B21L11/00
主分类号
B21L3/00
代理机构
代理人
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地址
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