20200115

製管輥軋機設備廠商專利分析

製管輥軋機設備廠商專利分析

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# Update = 2020-01-15
# Author : Enson, C-H, Yu, Ph.D.
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# Keywords: Patent Analysis, Tube, Roll forming, IPC, ... .
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# Abstract

經專利檢索後,以國際分類號(IPC)評估管車製造商之專利佈局。

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# Patent IPC Map :



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