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经营范围
发明名称
SELF-CLOSING GATE
摘要
申请公布号
US3435557(A)
申请公布日期
1969.04.01
申请号
USD3435557
申请日期
1967.12.18
申请人
GLENN J. JOHNSON
发明人
GLENN J. JOHNSON
分类号
E06B11/02;(IPC1-7):E06B7/00;E05F1/04;E05D7/06
主分类号
E06B11/02
代理机构
代理人
主权项
地址
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