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发明名称
Safety guard
摘要
申请公布号
US2859776(A)
申请公布日期
1958.11.11
申请号
US19560602375
申请日期
1956.08.06
申请人
MCKENZIE RONALD J;BRUNER CHARLES H
发明人
MCKENZIE RONALD J.;BRUNER CHARLES H.
分类号
F16L55/00;F16P1/02
主分类号
F16L55/00
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代理人
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