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INFRAPHIL-HP3690
The Philips Infraphil HP3690 heat lamp,
introduced in the late 1980s, was the
conical shaped successor of the Philips
Infraphil HP3609.
building
philips infraphil HP3608
philips infraphil HP3609
philips infraphil HP1500
philips infraphil HP2030
philips infraphil HP3690
philips infraphil HP1540
building 10 (Philips Infraphil),
section 4 (pressed glass Infraphil)
