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发明名称
Portable bird perch
摘要
申请公布号
US2717577(A)
申请公布日期
1955.09.13
申请号
US19540431940
申请日期
1954.05.24
申请人
PETSCHE AUGUST C
发明人
PETSCHE AUGUST C.
分类号
A01K31/12
主分类号
A01K31/12
代理机构
代理人
主权项
地址
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