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发明名称
Crate
摘要
申请公布号
US1812900(A)
申请公布日期
1931.07.07
申请号
US19280300463
申请日期
1928.08.18
申请人
FRANK RITZMAN;DONALD RITZMAN
发明人
RITZMAN FRANK;RITZMAN DONALD
分类号
A01K1/02
主分类号
A01K1/02
代理机构
代理人
主权项
地址
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