73784442
Mar 3, 1989
Jun 5, 1990
BASEBOARD RADON GAS LEAKAGE, COLLECTION AND CHANNELIZATION SYSTEMS CONSISTING OF BASEBOARDS, CONNECTORS FOR CONNECTING TOGETHER BASEBOARD SECTIONS, EPOXY ADHESIVE AND SEALANT AND CONDUITS FOR CHANNELING COLLECTED RADON GAS LEAKAGE TO A STAND PIPE WHICH EXHAUSTS THE RADON GAS OUTDOORS, SOLD AS A UNIT
Nonmetallic Building MaterialsINSTALLATION OF BASEBOARD LEAKAGE COLLECTION AND CHANNELIZATION SYSTEMS
Building Construction and Repair