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发明名称
PIN KNOCKOUT DEVICE FOR ROLLER CHAINS
摘要
申请公布号
US3553960(A)
申请公布日期
1971.01.12
申请号
USD3553960
申请日期
1968.09.19
申请人
CHARLES C. ELLEFSON
发明人
CHARLES C. ELLEFSON
分类号
B25B27/22;(IPC1-7):B21L21/00
主分类号
B25B27/22
代理机构
代理人
主权项
地址
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