In 1912, he made his first patent with his Smoke Hood that would become the blueprint for WW1 gas masks.
म 1912, उनहन अपन पहल पटट अपन समक हड स करय ज क 1 गस मसक क खक बन जएग
<bos><start_of_turn>user
In 1912, he made his first patent with his Smoke Hood that would become the blueprint for WW1 gas masks.<end_of_turn>
<start_of_turn>model
म 1912, उनहन अपन पहल पटट अपन समक हड स करय ज क 1 गस मसक क खक बन जएग<end_of_turn>
