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经营范围
发明名称
Pigeon trap
摘要
申请公布号
US2135603(A)
申请公布日期
1938.11.08
申请号
US19360105271
申请日期
1936.10.12
申请人
ROTH ARTHUR E
发明人
ROTH ARTHUR E.
分类号
F41J9/20
主分类号
F41J9/20
代理机构
代理人
主权项
地址
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