(52)
(52)
Where it is first named
(11) (a) No. 1 227 094 (45) ISSUED 870922 (52) CLASS 123-15 C.R. CL. 158-194 (51) INT. CL. FO2M 21/04ag) ca CANADIAN PATENT «ez (54) Hydrogen/Air and Non-Combustible Gas Mixing Combustion System (72) Meyer, Stanley A., U.S.A. (21) APPLICATION No. 420,889 (22) FILED 830204 No, OF CLAIMS al
How it is written
- (52) 1×