Production line device capable of full-automatically and circularly flushing gel ink pen refills
The invention relates to the field of refill recovery, solves the problem of environmental pollution caused by waste refills, and discloses a production line device capable of full-automatically and circularly flushing gel ink pen refills. The production line device capable of full-automatically and...
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Format: | Patent |
Sprache: | chi ; eng |
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