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发明名称
Brick lifter
摘要
申请公布号
US1974891(A)
申请公布日期
1934.09.25
申请号
US19310514248
申请日期
1931.02.07
申请人
CANAL STORAGE COMPANY, INC.
发明人
POLIAKOFF SAMUEL
分类号
B66C1/44
主分类号
B66C1/44
代理机构
代理人
主权项
地址
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