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@taskmaster4450le
ยท 2 years agoUS Patent 10,672,927 Photovoltaic Cell having a Coupled Expanded Metal Article
US Patent 10,886,424 Method for Blackening a Metallic Article
US Patent 11,349,040 Photovoltaic Cell Having a Coupled Expanded Metal Article
US Patent 11,558,010 Method for Blackening an Electrical Conduit
US Patent 11,588,064 Method for Blackening a Metallic Article
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