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发明名称
Gate operating mechanism
摘要
申请公布号
US2517408(A)
申请公布日期
1950.08.01
申请号
US19460641280
申请日期
1946.01.15
申请人
OLCOTT CHARLES A
发明人
OLCOTT CHARLES A.
分类号
B04B11/04
主分类号
B04B11/04
代理机构
代理人
主权项
地址
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