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发明名称
VALVE MECHANISM
摘要
申请公布号
CA349812(A)
申请公布日期
1935.04.23
申请号
CAD349812
申请日期
申请人
THE WILCOX-RICH CORPORATION
发明人
ROBERT C. RUSSELL
分类号
主分类号
代理机构
代理人
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地址
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