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发明名称
Skip hoisting mechanism for concrete mixers
摘要
申请公布号
US1814564(A)
申请公布日期
1931.07.14
申请号
US19290390578
申请日期
1929.09.05
申请人
KOEHRING COMPANY
发明人
LICHTENBERG ERICH H.
分类号
B28C7/08
主分类号
B28C7/08
代理机构
代理人
主权项
地址
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