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经营范围
发明名称
Leaf-end friction bearing structure and anchorage therefor
摘要
申请公布号
US2621922(A)
申请公布日期
1952.12.16
申请号
US19470743997
申请日期
1947.04.25
申请人
JOHN WARREN WATSON COMPANY
发明人
WATSON JOHN W.
分类号
F16F1/20
主分类号
F16F1/20
代理机构
代理人
主权项
地址
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