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发明名称
Rack
摘要
申请公布号
US1831440(A)
申请公布日期
1931.11.10
申请号
US19280282577
申请日期
1928.06.04
申请人
CHASE PHILIP H
发明人
CHASE PHILIP H.
分类号
F16L3/22
主分类号
F16L3/22
代理机构
代理人
主权项
地址
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