Patent classifications
D
TEXTILES; PAPER
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D05
SEWING; EMBROIDERING; TUFTING
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D05B
SEWING
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19/00
Program-controlled sewing machines
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D05B19/02
Sewing machines having electronic memory or microprocessor control unit
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D05B19/12
characterised by control of operation of machine
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D05B19/14
Control of needle movement, e.g. varying amplitude or period of needle movement
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