U.S. federal trademark · Serial No. 79267261 · Reg. No. 6132499
Design of machines and plants for generation of gas; design of machines and plants for production of hydrogen and oxygen by electrolysis
Installation, maintenance, repair of machines and plants for generation of gas; installation, maintenance and repair of machines and plants for production of hydrogen and oxygen by electrolysis
Machines and plants for generation of gas; machines and plants for production of hydrogen and oxygen by electrolysis
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