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发明名称
GRATE
摘要
申请公布号
CA363906(A)
申请公布日期
1937.02.02
申请号
CAD363906
申请日期
申请人
ROSARIO H. HOTTE
发明人
JOSEPH L. DRAGON
分类号
主分类号
代理机构
代理人
主权项
地址
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