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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0360584
Kind Code:
B2
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JPS5914050[Title of the device] The level difference detector for welding of a UOE steel pipe
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Inventors:
FUJIO MASAYUKI
ABE MASAHIRO
YAMAGUCHI YUTAKA
Application Number:
JP7991682A
Publication Date:
September 17, 1991
Filing Date:
May 14, 1982
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
B23K9/025; B23K33/00



 
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