Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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B21F
WORKING OR PROCESSING OF METAL WIRE
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27/00
Making wire network, i.e. wire nets
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B21F27/12
Making special types or portions of network by methods or means specially adapted therefor
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B21F27/121
of tubular form, e.g. as reinforcements for pipes or pillars
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B21F27/127
by bending preformed mesh
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