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B43K 21/20

Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines

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Edits on 9 Mar, 2022
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Golden AI
created this topic on 9 Mar, 2022
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 B43K 21/20

Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines

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Cooperative Patent Classification
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B43K 21/16
Website
http://data.epo.org/linked-data/def/cpc/B43K21-20

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