| 摘要 |
PCT No. PCT/US98/14104 Sec. 371 Date Dec. 13, 1999 Sec. 102(e) Date Dec. 13, 1999 PCT Filed Jul. 7, 1998 PCT Pub. No. WO99/08043 PCT Pub. Date Feb. 18, 1999An adaptor having an adaptor base (10), shaped and dimensioned to fit over an R7s lampholder in such a way that contacts (06) in adaptor base (10) form electrical connections with contacts (03) in lampholder R7s, while boardholder (11) of adaptor base (10) is shaped and dimensioned to hold dimmable ballast (25) in electrical contact with contacts (06) of adaptor base (10).
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