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Philips Infraphil HP3603 heat lamp
Philips Infraphil HP3603 wordmark and type number
INFRAPHIL-HP3603
This Philips Infraphil HP3603 heat lamp
from 1969 was in essence an Philips
Infraphil KL7500 without clamping ring but
with a different type number. Besides the
Philips wordmark and -logo this type
number was, other than with the KL7500,
listed on the armature as well.
building