Difference between revisions of "Patent for "Portable device for generating steam or smoke or for simulating the appearance of fire on stages " 1922, Schwabe & co (Q31805)"
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(Created claim: Field (P19): Props and special effects (Q23)) |
(Created claim: author (P41): Schwabe & Co (Q30498)) |
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Revision as of 16:51, 25 July 2023
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Patent for "Portable device for generating steam or smoke or for simulating the appearance of fire on stages " 1922, Schwabe & co
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No description defined
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