'専用収入' is an account name commonly used in Financial Statements based on JGAAP.
Private line
Translation: Reserve for private insurance...
Translation: Sale of railroad line...
Translation: Local line facilities, net...
Translation: Long-distance line facilities...
Translation: Long-distance line facilities, net...
Translation: Line facilities...
Translation: Line facilities, net...
Translation: Submarine line facilities...
Translation: Submarine line facilities, net...
Translation: Right to use submarine line facilities...
タグ:line, private