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发明名称
Connecting pin
摘要
申请公布号
US2199271(A)
申请公布日期
1940.04.30
申请号
US19380219626
申请日期
1938.07.16
申请人
FREDERIC SCHAEFER
发明人
SCHAEFER FREDERIC
分类号
B61H13/34;F16B19/10;F16B21/12
主分类号
B61H13/34
代理机构
代理人
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