Flow restriction coating device for insulating hydrophobic dustproof coating film of double-layer explosion-proof lamp
The invention relates to the field of explosion-proof lamps, in particular to a flow restriction coating device for an insulating hydrophobic dustproof coating film of a double-layer explosion-proof lamp. The technical problem to be solved is to provide the flow restriction coating device for the in...
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Format: | Patent |
Sprache: | chi ; eng |
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