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xc-patents:xc-3004

Patent XC-3004: 1869-02-06, Improvements on steam engines and boilers

X Number Date Inventor City Title
XC-3004 1869-02-06 E. E. Gilbert Montreal, QC Canada Improvements on steam engines and boilers

Comments

XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-3004.txt · Last modified: 2019/05/25 00:16 (external edit)