PK-1, PC-2 and PK-3-for fastening asbestos-cement wavy sheets to the steel frame;
PC -10 — to fasten steel shaped elements in the places of connection, their overlap;
PK-1, PC-2 and PK-3-for fastening asbestos-cement wavy sheets to the steel frame;
PC -10 — to fasten steel shaped elements in the places of connection, their overlap;