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发明名称
Perch holder
摘要
申请公布号
US1912704(A)
申请公布日期
1933.06.06
申请号
US19310508957
申请日期
1931.01.15
申请人
GRAHAM DANIEL I
发明人
GRAHAM DANIEL I.
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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