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发明名称
Grade crossing gate
摘要
申请公布号
US2362710(A)
申请公布日期
1944.11.14
申请号
US19410389541
申请日期
1941.04.21
申请人
WESTERN RAILROAD SUPPLY COMPANY
发明人
MISKELLY SAMUEL
分类号
B61L29/24
主分类号
B61L29/24
代理机构
代理人
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地址
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