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发明名称
Method of making chain links
摘要
申请公布号
US1838025(A)
申请公布日期
1931.12.22
申请号
US19240757505
申请日期
1924.12.22
申请人
DOMINION FORGE & STAMPING COMPANY, LIMITED
发明人
WALDRON RUSSELL E.
分类号
B21L15/00
主分类号
B21L15/00
代理机构
代理人
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地址
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