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发明名称
Pivotal bracket
摘要
申请公布号
US2776810(A)
申请公布日期
1957.01.08
申请号
US19520265616
申请日期
1952.01.09
申请人
CRANE CO.
发明人
JR. JOHN A. PAULIUS,
分类号
G03B27/56
主分类号
G03B27/56
代理机构
代理人
主权项
地址
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