Two side chain formulas of PAUT abnormal shape flange butt joint straight tube welding seam are swept and are looked into ware
The utility model provides a two side chain formulas of PAUT abnormal shape flange butt joint straight tube welding seam are swept and are looked into ware, wherein articulated branch one end connect walking magnetic wheel, be provided with the spring support arm on the articulated branch, the PAUT...
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Format: | Patent |
Sprache: | chi ; eng |
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