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发明名称
Pipe and coupling system
摘要
A pipe is especially fabricated for use in conjunction with locking pin type threadless couplings. The pipe has a thin wall configuration achieved by fabricating it from high tensile steel produced by cold working, or reducing, low carbon steel.
申请公布号
US5131697(A)
申请公布日期
1992.07.21
申请号
US19910744121
申请日期
1991.08.12
申请人
AMERICAN FENCE COMPANY, INC.
发明人
SHUMWAY, PAUL W.
分类号
F16L25/08;F16L37/12
主分类号
F16L25/08
代理机构
代理人
主权项
地址
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