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经营范围
发明名称
Collapsible duct section
摘要
申请公布号
US3212529(A)
申请公布日期
1965.10.19
申请号
US19610158315
申请日期
1961.12.11
申请人
OWENS-CORNING FIBERGLAS CORPORATION
发明人
ULLMAN WILLIAM L.;JR. HENRY N. MARSH,
分类号
F16L9/00;F16L11/02;F16L59/04;F16L59/147
主分类号
F16L9/00
代理机构
代理人
主权项
地址
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