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经营范围
发明名称
GAS VALVES
摘要
申请公布号
CA574650(A)
申请公布日期
1959.04.21
申请号
CAD574650
申请日期
申请人
HARPER-WYMAN COMPANY
发明人
CHARLES C. LAMAR;FRANK H. BERGQUIST
分类号
主分类号
代理机构
代理人
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