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发明名称
Ladder
摘要
申请公布号
US3259209(A)
申请公布日期
1966.07.05
申请号
US19640365591
申请日期
1964.05.07
申请人
GULF OIL CORPORATION
发明人
BROWN CHARLES C.
分类号
E06C1/38;E06C9/04
主分类号
E06C1/38
代理机构
代理人
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地址
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