having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports

Introduced: September 1968

Title

Titles differ between systems:

IPC: having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports

CPC: having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports

Full Title

Full titles differ between systems:

IPC:

Grates with solid bars > having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports

CPC:

Grates with solid bars (double grates F23H5/00) > having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports

No child classifications to compare. This is a leaf node in both IPC and CPC.