Drilldown: Patents
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- Patents (17614)
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- Publications (24570)
- Techtypes (2381)
Patents > Year filed:
1900 - 1909
& Office :
BE or
CH or
CU or
DE or
DEG or
None
& CPCs:
CPC B64B1/58
& First filing:
Yes
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Showing below up to 3 results in range #1 to #3.