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发明名称
SELF-CLOSING GATE
摘要
申请公布号
CA847070(A)
申请公布日期
1970.07.21
申请号
CAD847070
申请日期
申请人
GLENN J. JOHNSON
发明人
GLENN J. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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