Drilldown: Patents
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IPC A45B19/10 (1) ·
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IPC F42C7/12 (1)
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P
- Patent FR-1912-450121
- Patent FR-1913-459629
- Patent FR-1913-466195
- Patent GB-1914-975
- Patent GB-1915-17981
- Patent GB-1916-109335
- Patent GB-1918-123174
- Patent US-1876-182172
- Patent US-1889-412670
- Patent US-1895-557300
- Patent US-1900-662944
- Patent US-1901-698634
- Patent US-1903-735905
- Patent US-1904-781657
- Patent US-1904-803573
- Patent US-1905-830146
- Patent US-1906-934771
- Patent US-1909-1095952
- Patent US-1909-961766
- Patent US-1910-1009770
- Patent US-1910-1011767
- Patent US-1910-1015837
- Patent US-1910-1036109
- Patent US-1910-974643
- Patent US-1910-991115
- Patent US-1910-999012
- Patent US-1911-1018413
- Patent US-1911-1084806
- Patent US-1911-1152426
- Patent US-1912-1054374
- Patent US-1913-1065656
- Patent US-1913-1133984
- Patent US-1914-1099083
- Patent US-1914-1132503
- Patent US-1914-1166879
- Patent US-1915-1180224
- Patent US-1916-1234311
- Patent US-1916-1237318
- Patent US-1917-1219035
- Patent US-1917-1250263
- Patent US-1917-1254496
- Patent US-1917-1300499
- Patent US-1917-1328143
- Patent US-1917-1350982
- Patent US-1917-1384308
- Patent US-1917-1437471
- Patent US-1918-1329533
- Patent US-1918-1331221
- Patent US-1918-1371204
- Patent US-1919-1299151
