| 摘要 |
1503839 Basins; spittoons &c SIEMENS AG 4 March 1976 [7 March 1975] 08775/76 Heading A4N At least the lower portion 7 of a dental spittoon 5 is moulded integrally with the cover 3 for a housing 1. Preferably the upper wall portion 8 varies in height around its circumference and may be located in either of two operative positions by engaging lugs 9 in recesses 10. The cover supports a pivotable water inlet pipe 6 and a glass 4, plug-in fluid couplings 11, 12 being located within the housing.
|
